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<div id="winchm_template_top">
	<div id="winchm_template_button"><A href="dt__display_type_.htm" title="Previous topic"><img id="winchm_template_prev" alt="Previous topic" src="../template2/btn_prev_n.gif" border="0"></a><A href="dv__display_local_variables_.htm" title="Next topic"><img id="winchm_template_next" alt="Next topic" src="../template2/btn_next_n.gif" border="0"></a></div>
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<A href="introduction6.htm">Debugging Tools for Windows (WinDbg, KD, CDB, NTSD)</A> &gt; <A href="debugger_reference.htm">Debugger Reference</A> &gt; <A href="debugger_commands.htm">Debugger Commands</A> &gt; <A href="commands.htm">Commands</A> &gt; </div>
	<div id="winchm_template_title">dtx (Display Type - Extended Debugger Object Model Information)</div>
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<div id="winchm_template_container">
	<div id="winchm_template_content"><div id="mainSection"><p>The dtx command displays extended symbolic type information using the debugger object model. The dtx command is similar to the <a href="#Bookmark1991"><b>dt (Display Type)</b></a> command.</p>
<pre class="syntax">
    <b>dtx </b><b>-DisplayOpts</b><b> </b>[<b>Module!</b>]<b>Name</b><b> </b><b>Address</b></pre>
<h2><a id="Parameters"></a><a id="parameters"></a><a id="PARAMETERS"></a>Parameters</h2>
<p></p>
<dl>
<dt><a id="________DisplayOpts_______"></a><a id="________displayopts_______"></a><a id="________DISPLAYOPTS_______"></a>
       <b>DisplayOpts</b>
      </dt>
<dd>
<p>Use the following optional flags to change how the output is displayed. </p>
<p><i>-a</i>  Displays  array elements in a new line with its index.
</p>
<p><i>-r [n]</i>  Recursively dump the subtypes (fields) up to <i>n</i> levels.</p>
<p><i>-h</i>  Displays command line help for the dtx command.
</p>
</dd>
<dt><a id="Module______________"></a><a id="module______________"></a><a id="MODULE______________"></a><b>Module!</b>
            </dt>
<dd>
<p>An optional parameter specifying the module that defines this structure, followed by the exclamation point. If there is a local variable or type with the same name as a global variable or type, you should include <i>module</i> name to specify the global variable. </p>
</dd>
<dt><a id="________Name_______"></a><a id="________name_______"></a><a id="________NAME_______"></a>
       <b>Name</b>
      </dt>
<dd>
<p> A type name or a global symbol.
</p>
</dd>
<dt><a id="________Address_______"></a><a id="________address_______"></a><a id="________ADDRESS_______"></a>
       <b>Address</b>
      </dt>
<dd>
<p>Memory address containing the type.</p>
</dd>
</dl>
<h3><a id="Environment"></a><a id="environment"></a><a id="ENVIRONMENT"></a>Environment</h3>
<table>
<tr>
<td>
<p><b>Modes</b></p>
</td>
<td>
<p>user mode, kernel mode</p>
</td>
</tr>
<tr>
<td>
<p><b>Targets</b></p>
</td>
<td>
<p>live, crash dump</p>
</td>
</tr>
<tr>
<td>
<p><b>Platforms</b></p>
</td>
<td>
<p>all </p>
</td>
</tr>
</table>
<p> </p>
<h3><a id="Additional_Information"></a><a id="additional_information"></a><a id="ADDITIONAL_INFORMATION"></a>Additional Information</h3>
<p>The following examples show how to use the dtx command.</p>
<p>Use the address and the name to display  extended symbolic type information.</p>
<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>0: kd&gt; dtx nt!_EPROCESS ffffb607560b56c0
(*((nt!_EPROCESS *)0xffffb607560b56c0))                 [Type: _EPROCESS]
    [+0x000] Pcb              [Type: _KPROCESS]
    [+0x2d8] ProcessLock      [Type: _EX_PUSH_LOCK]
    [+0x2e0] RundownProtect   [Type: _EX_RUNDOWN_REF]
    [+0x2e8] UniqueProcessId  : 0x4 [Type: void *]
    [+0x2f0] ActiveProcessLinks [Type: _LIST_ENTRY]</pre>
</td>
</tr>
</table></span></div>
<p>Display additional  information using the -r recursion option. </p>
<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>0: kd&gt; dtx -r2 HdAudio!CAzMixertopoMiniport fffff806`d24992b8
(*((HdAudio!CAzMixertopoMiniport *)0xfffff806d24992b8))                 [Type: CAzMixertopoMiniport]
    [+0x018] m_lRefCount      : -766760880 [Type: long]
    [+0x020] m_pUnknownOuter  : 0xfffff806d24dbc40 [Type: IUnknown *]
    [+0x028] m_FilterDesc     [Type: PCFILTER_DESCRIPTOR]
        [+0x000] Version          : 0xd24c2890 [Type: unsigned long]
        [+0x008] AutomationTable  : 0xfffff806d24c2780 [Type: PCAUTOMATION_TABLE *]
            [+0x000] PropertyItemSize : 0x245c8948 [Type: unsigned long]
            [+0x004] PropertyCount    : 0x6c894808 [Type: unsigned long]
            [+0x008] Properties       : 0x5718247489481024 [Type: PCPROPERTY_ITEM *]
            [+0x010] MethodItemSize   : 0x55415441 [Type: unsigned long]
            [+0x014] MethodCount      : 0x57415641 [Type: unsigned long]
            [+0x018] Methods          : 0x4ce4334540ec8348 [Type: PCMETHOD_ITEM *]
            [+0x020] EventItemSize    : 0x8b41f18b [Type: unsigned long]
            [+0x024] EventCount       : 0xd8b48f4 [Type: unsigned long]
            [+0x028] Events           : 0x7d2d8d4cfffdf854 [Type: PCEVENT_ITEM *]
            [+0x030] Reserved         : 0x66fffd79 [Type: unsigned long]
        [+0x010] PinSize          : 0xd24aa9b0 [Type: unsigned long]
        [+0x014] PinCount         : 0xfffff806 [Type: unsigned long]
        [+0x018] Pins             : 0xfffff806d24aa740 [Type: PCPIN_DESCRIPTOR *]
            [+0x000] MaxGlobalInstanceCount : 0x57555340 [Type: unsigned long]
            [+0x004] MaxFilterInstanceCount : 0x83485741 [Type: unsigned long]
            [+0x008] MinFilterInstanceCount : 0x8b4848ec [Type: unsigned long]
            [+0x010] AutomationTable  : 0xa5158b48ed33c000 [Type: PCAUTOMATION_TABLE *]
            [+0x018] KsPinDescriptor  [Type: KSPIN_DESCRIPTOR]</pre>
</td>
</tr>
</table></span></div>
<p>Tip: Use the <a href="#Bookmark2050"><b>x (Examine Symbols)</b></a>
    command to display the address of an item of interest.</p>
<div class="code"><span codelanguage=""><table>
<tr>
<th></th>
</tr>
<tr>
<td>
<pre>0: kd&gt; x /d HdAudio!CazMixertopoMiniport*
...
fffff806`d24992b8 HdAudio!CAzMixertopoMiniport::`vftable' = &lt;no type information&gt;
...</pre>
</td>
</tr>
</table></span></div>
<h2><a id="see_also"></a>See also</h2>
<dl>
<dt><a href="#Bookmark1991"><b>dt (Display Type)</b></a></dt></dl></div></div>	
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